jquery center内容到页面

Posted 2021-02-26

jQuery.fn.center = function () {
this.css("position","absolute");
this.css("top", ( $(window).height() - this.height() ) / $(window).scrollTop() + "px");
this.css("left", ( $(window).width() - this.width() ) / $(window).scrollLeft() + "px");
return this;
}